<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/kamryn-pettway-2490c41ea1c093c3.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2013/03/watch_auburn_rb_commit_kamryn.html>